summaryrefslogtreecommitdiffstats
path: root/generic
diff options
context:
space:
mode:
Diffstat (limited to 'generic')
-rw-r--r--generic/tclMain.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/generic/tclMain.c b/generic/tclMain.c
index 360f5e9..c2300c2 100644
--- a/generic/tclMain.c
+++ b/generic/tclMain.c
@@ -80,7 +80,10 @@ NewNativeObj(
* source directory to make their own modified versions).
*/
+#if defined _MSC_VER && _MSC_VER < 1900
+/* isatty is always defined on MSVC 14.0, but not necessarily as CRTIMPORT. */
extern CRTIMPORT int isatty(int fd);
+#endif
/*
* The thread-local variables for this file's functions.